List of top Chemistry Questions

Ethylene-1, 2-diamine is an example of

During extraction of aluminium from bauxite,

Choose the correct alternative same as; Radium, Polonium and Uranium

Carbonyl (CO) stands first in spectrochemical series as a

Bithional is an example of

Para hydrogen is

Which of the following sets of quantum numbers represents the highest energy of an atom?

A monoatomic anion of unit charge contains 45 neutrons and 36 electrons. Identify the ion.

For $d$-electron, the orbital angular momentum is

The decreasing order of basic character of $K_2O,\, BaO, \, CaO$ and $MgO$ is

The conversion of nitriles to aldehydes with stannous chloride in presence of $HCl$ is known as

The carbocation formed in $S_{N}1$ reaction of alkyl halide in the slow step is

Lucas reagent is equimolar solution of

For a reaction, $NO (g)+ O _{2}(g) \rightarrow 2 NO _{2}(g) ;$ Rate $=k l[N O]^{2}\left[O_{2}\right]$. If the volume of the reaction vessel is doubled, the rate of reaction

Two moles of an ideal gas are allowed to expand reversibly and isothermally at $300\, K$ from a pressure of $1\, atm$ to a pressure of $0.1\, atm$. The change in Gibbs free energy is

In a set of reactions p - nitrotoluene yielded a product E

The product E would be :

The final product formed when Methyl amine is treated with \(\mathrm{NaNO_2}\) and HCl is :

Williamson synthesis of ether is an example of :

The reason for double helical structure of DNA is the operation of :

The correct IUPAC name of the following compound

is :

Which one of the following is an example of thermosetting polymers ?

Amongst the following, identify the species with an atom in \(+6\) oxidation state :

The major product formed when 1, 1, 1 - trichloro - propane is treated with aqueous potassium hydroxide is :

Which one of the following ores is known as Malachite :

Example of a three-dimensional silicate is :